<div class="content-section " >
    <div class="ui-g">
        <div>
            <input  #search  type="text" pInputText placeholder="请输入关键字"/>
            <button pButton type="button"  label="搜索" (click)="jumperOverView(search.value)"></button>
        </div>
        <div></div>
        <div >
            <button pButton type="button"  label="刷新" (click)="refresh()"></button>
            <button pButton type="button"  label="切换到图表模式" (click)="jumper('chart')"></button>
            <button pButton type="button"  label="新增知识" (click)="jumper('add')"></button>
        </div>
    </div>
</div>